Description
Item Description:Title from title screen (viewed on Nov. 30, 2011).
"June 2008."
"NPS D-522A"--P. [3] of cover.
"Avalanche hazard area, John F. Stevens Canyon, Montana"--P. ii.
Electronic resource.
Physical Description:1 online resource (xii, 98 pages) : illustrations, map.
Bibliography:Includes bibliographical references (page 98).